1 | /* $Id: initterm-r0drv-nt.cpp 9603 2008-06-11 12:13:02Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * IPRT - Initialization & Termination, R0 Driver, NT.
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
|
---|
8 | *
|
---|
9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
---|
10 | * available from http://www.virtualbox.org. This file is free software;
|
---|
11 | * you can redistribute it and/or modify it under the terms of the GNU
|
---|
12 | * General Public License (GPL) as published by the Free Software
|
---|
13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
---|
14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
---|
15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
---|
16 | *
|
---|
17 | * The contents of this file may alternatively be used under the terms
|
---|
18 | * of the Common Development and Distribution License Version 1.0
|
---|
19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
---|
20 | * VirtualBox OSE distribution, in which case the provisions of the
|
---|
21 | * CDDL are applicable instead of those of the GPL.
|
---|
22 | *
|
---|
23 | * You may elect to license modified versions of this file under the
|
---|
24 | * terms and conditions of either the GPL or the CDDL or both.
|
---|
25 | *
|
---|
26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
---|
27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
---|
28 | * additional information or have any questions.
|
---|
29 | */
|
---|
30 |
|
---|
31 | /*******************************************************************************
|
---|
32 | * Header Files *
|
---|
33 | *******************************************************************************/
|
---|
34 | #include "the-nt-kernel.h"
|
---|
35 | #include <iprt/err.h>
|
---|
36 | #include <iprt/assert.h>
|
---|
37 | #include <iprt/mp.h>
|
---|
38 | #include "internal/initterm.h"
|
---|
39 | #include "internal-r0drv-nt.h"
|
---|
40 |
|
---|
41 |
|
---|
42 | /*******************************************************************************
|
---|
43 | * Global Variables *
|
---|
44 | *******************************************************************************/
|
---|
45 | /** The Nt CPU set.
|
---|
46 | * KeQueryActiveProcssors() cannot be called at all IRQLs and therefore we'll
|
---|
47 | * have to cache it. Fortunately, Nt doesn't really support taking CPUs offline
|
---|
48 | * or online. It's first with W2K8 that support for CPU hotplugging was added.
|
---|
49 | * Once we start caring about this, we'll simply let the native MP event callback
|
---|
50 | * and update this variable as CPUs comes online. (The code is done already.)
|
---|
51 | */
|
---|
52 | RTCPUSET g_rtMpNtCpuSet;
|
---|
53 |
|
---|
54 | /** ExSetTimerResolution, introduced in W2K. */
|
---|
55 | PFNMYEXSETTIMERRESOLUTION g_pfnrtNtExSetTimerResolution;
|
---|
56 | /** KeFlushQueuedDpcs, introduced in XP. */
|
---|
57 | PFNMYKEFLUSHQUEUEDDPCS g_pfnrtNtKeFlushQueuedDpcs;
|
---|
58 |
|
---|
59 |
|
---|
60 | int rtR0InitNative(void)
|
---|
61 | {
|
---|
62 | /*
|
---|
63 | * Init the Nt cpu set.
|
---|
64 | */
|
---|
65 | KAFFINITY ActiveProcessors = KeQueryActiveProcessors();
|
---|
66 | RTCpuSetEmpty(&g_rtMpNtCpuSet);
|
---|
67 | RTCpuSetFromU64(&g_rtMpNtCpuSet, ActiveProcessors);
|
---|
68 |
|
---|
69 | /*
|
---|
70 | * Initialize the function pointers.
|
---|
71 | */
|
---|
72 | UNICODE_STRING RoutineName;
|
---|
73 | RtlInitUnicodeString(&RoutineName, L"ExSetTimerResolution");
|
---|
74 | g_pfnrtNtExSetTimerResolution = (PFNMYEXSETTIMERRESOLUTION)MmGetSystemRoutineAddress(&RoutineName);
|
---|
75 |
|
---|
76 | RtlInitUnicodeString(&RoutineName, L"KeFlushQueuedDpcs");
|
---|
77 | g_pfnrtNtKeFlushQueuedDpcs = (PFNMYKEFLUSHQUEUEDDPCS)MmGetSystemRoutineAddress(&RoutineName);
|
---|
78 |
|
---|
79 | return VINF_SUCCESS;
|
---|
80 | }
|
---|
81 |
|
---|
82 |
|
---|
83 | void rtR0TermNative(void)
|
---|
84 | {
|
---|
85 | }
|
---|
86 |
|
---|